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# 10 Examples of Non-Contact Forces

May 7, 2023
written by Qamar Zaman

Non-contact forces are forces that act between two objects without any physical contact between them. Non-contact forces are a fundamental concept in physics that help explain many phenomena in our world. Example of electromagnetic waves are Gravitational force,electrostatic force,magnetic force and electrochemical force etc.

## Examples of Non-Contact Forces

Non-contact forces are an essential part of our world and they play a role in many phenomena. Here are the 10 most common examples of non-contact force.

### 1. Gravitational Force

Gravity is the most familiar non-contact force, and it is responsible for holding the planets in their orbits around the sun. Gravity is a force of attraction between two objects with mass, and it decreases with distance.

### 2. Electrostatic Force

The electrostatic force is a force of attraction or repulsion between electrically charged objects. It is responsible for phenomena such as static electricity and the behavior of electric motors.

### 3. Magnetic Force

Magnetic force is a force of attraction or repulsion between magnetic objects. It is responsible for the behavior of magnets and their ability to attract or repel each other.

### 4. Frictional Force

The frictional force is a force that resists the motion of objects in contact with each other. It is responsible for phenomena such as the heating of brakes on a car and the wear and tear of machinery.

### 5. Tension Force

Tension force is a force that occurs when an object is pulled in opposite directions. It is responsible for phenomena such as the behavior of ropes and cables.

### 6. Buoyant Force

The buoyant force is a force that acts on objects immersed in a fluid, such as water or air. It is responsible for the behavior of ships and submarines.

### 7. Elastic Force

Elastic force is a force that occurs when an object is stretched or compressed. It is responsible for phenomena such as the behavior of springs and rubber bands.

Radio waves are a type of electromagnetic radiation that is used in many applications, such as radio and television broadcasting, cell phone communication, and Wi-Fi. They are non-contact forces because they do not require physical contact between the transmitting and receiving devices.

Radiation pressure is a force that occurs when electromagnetic radiation, such as light, exerts pressure on an object. It is responsible for phenomena such as the behavior of solar sails.

### 10. Wind Force

The wind force is a force that occurs when air moves from an area of high pressure to an area of low pressure. It is responsible for phenomena such as the behavior of weather systems and the production of wind power.

## Related FAQs

### Can non-contact forces act over infinite distances?

Non-contact forces, such as gravity and electrostatic force, can act over very long distances, but not infinite ones. The strength of the force decreases with distance, so there is a limit to how far it can act.

### How do wind forces impact our lives?

Wind forces can have a significant impact on our weather and climate, as it is responsible for the movement of air around the Earth. This movement can lead to phenomena such as hurricanes and tornadoes.

### What is the relationship between magnetic force and electricity?

Magnetic force and electricity are related because they are both aspects of the electromagnetic force.
When an electric current flows through a wire, it generates a magnetic field, and when a magnet moves through a coil of wire, it generates an electric current.

### How does radiation pressure work?

Radiation pressure is caused by the momentum of electromagnetic radiation, such as light. When this radiation interacts with an object, it exerts a force on it, pushing it away from the source of radiation.

### Can non-contact forces be shielded or blocked?

Non-contact forces can be shielded or blocked to some extent, depending on the nature of the force and the materials involved.
For example, magnetic fields can be shielded using materials such as iron, and electromagnetic radiation can be blocked using lead or other heavy metals.

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